Definition

The Respiratory System

Causes

SARS is caused by a specific group of viruses. The viruses are spread from droplets in the air. The droplets come from spray when a sick person sneezes or coughs. Viruses can also be picked up from objects that an ill person has touched.

Risk Factors

Factors that may increase your chance of developing SARS include:

Gene variation in the immune system—This gene variation may be more common in people in Southeast Asia. The variation makes people more susceptible to developing SARS.

Recent travel to locations in Asia where SARS outbreaks have been reported.

Close contact with someone who has SARS.

Healthcare workers who care for patients with SARS.

Symptoms

SARS requires care from your doctor. If you suspect you have this condition, contact your doctor right away.

Diagnosis

You will be asked about your symptoms and medical history. A physical exam will be done.

Your body fluids and waste products may be tested. This can be done with:

Blood tests

Blood culture

Sputum culture

Stool tests

The oxygen level in your blood may be measured. This can be done with pulse oximetry.

Images may be taken of your body structures. This can be done with a
chest x-ray
.

Treatment

There are currently no medications to treat or cure SARS. Viral infections cannot be treated with antibiotics and current antiviral drugs have not had any effect.

Researchers are looking for ways to shorten the course and severity of the infection with:

Corticosteroids

Medications that suppress or enhance the immune system

The symptoms of SARS will be treated with oxygen therapy if it is needed. If you are having difficulty breathing, you may be given oxygen through a tube or mask. More severe problems may require a machine to help you breathe.

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